.accordion
{
 background-color:#003366;
 border:none;
 color:#CCCCCC;
 cursor:pointer;
 outline:none;
 padding:16px;
 text-align:left;
 transition:0.4s;
 width:100%;
}

.active, .accordion:hover
{
 background-color:#6699CC;
 color:#111111;
}

.panel
{
 background-color:#CCCCCC;
 display:none;
 overflow:hidden;
 padding:0 a6px;
}